Mitsubishi Space Star. Manual — part 44
GDI –
Troubleshooting
13A-103
Item
No.
Reference
page
Inspection
procedure
No.
Normal condition
Requirements
Check items
74
Fuel pressure
sensor
Engine coolant
temperature:
80 – 95
C
Lamps, electric
cooling fan and
all accessories:
OFF
Transmission:
Neutral
(A/T: P range)
Engine: Idling
4 – 6.9 MPa
Code No.
P0190
13A-34
77
Accelerator
pedal position
sensor
(2nd
Ignition switch: ON
Release the accel-
erator pedal.
985 – 1,085 mV
Code No.
P1225
13A-61
sensor
(2nd
channel)*
3
Depress the accel-
erator pedal gradu-
ally.
Increases in re-
sponse to the ped-
al depression
stroke.
Depress the accel-
erator pedal fully.
4,000 mV or more
78
Accelerator
pedal position
sensor
Ignition switch: ON
Release the accel-
erator pedal.
985 – 1,085 mV
Code No.
P0220
13A-41
sensor
(1st channel)*
3
Depress the accel-
erator pedal gradu-
ally.
Increases in re-
sponse to pedal
depression stroke.
Depress the accel-
erator pedal fully.
4,000 mV or more
79
Throttle posi-
tion sensor (1st
channel)
Engine coolant
temperature:
80
95
C
Release the accel-
erator pedal.
450 – 800 mV
Code No.
P0120
13A-22
channel)
80 – 95
C
Ignition switch:
ON (Engine
stopped)
Depress the accel-
erator pedal gradu-
ally.
Increases in re-
sponse to pedal
depression stroke.
Depress the accel-
erator pedal fully.
4,200 – 4,900 mV
Engine: After
warm-up idling
No load
450 – 1,000 mV
warm-up, idling
A/C switch: OFF
→
ON
Increases by 100 –
600 mV.
81
Long-term fuel
compensation
Engine: Warm, 2,500 r/min without any
load (during closed loop)
–12.5 – 12.5 %
Code No.
P0170
13A-32
82
Short-term fuel
compensation
Engine: Warm, 2,500 r/min without any
load (during closed loop)
–30 – 25 %
Code No.
P0170
13A-32
GDI –
Troubleshooting
13A-104
Item
No.
Reference
page
Inspection
procedure
No.
Normal condition
Requirements
Check items
85
Fuel pressure
sensor
Engine coolant
temperature:
80 – 95
C
Lamps, electric
cooling fan and
all accessories:
OFF
Transmission:
Neutral
(A/T: P range)
Engine: Idling
4,000 – 6,900 kPa
–
–
87
Calculation
load value
Engine: Warm
Engine: Idling
15 – 35 %
–
–
load value
2,500 r/min
15 – 35 %
88
Fuel control
condition
Engine: Warm
2,500 r/min
Closed loop
Code No.
P0125
13A-24
condition
When engine is
suddenly raced
Open loop – drive
condition
P0125
99
Fuel injection
mode
Engine: After warm
up
Idling (after four
minutes or more
have passed since
engine start)
Lean compression
–
–
2,500 r/min
Stoichiometric
metric feedback
Sudden racing after
idle position
Open loop
A1
Oxygen sensor
(front)
Engine:
After warm-up
Idling
0 V
Code No.
P0130
13A-26
(front)
After warm-up
Sudden racing
0.6 – 1.0 V
P0130
2,500 r/min
0.4 V or less and
0.6 – 1.0 V alter-
nates
A2
Oxygen sensor
(rear)
Transmission:
2nd gear
<M/T>, L range
<A/T>
Drive with
throttle widely
open
3,500 r/min
0.6 – 1.0 V
Code No.
P0136
13A-29
8A
Throttle posi-
tion sensor (1st
channel)
Engine coolant
temperature:
80
95
C
Release the accel-
erator pedal.
8 – 16 %
Code No.
P0120
13A-22
channel)
(Throttle valve
opening angle)
80 – 95
C
Ignition switch:
ON (Engine:
stopped)
Depress the accel-
erator pedal gradu-
ally.
Increase in re-
sponse to pedal
depression stroke.
Depress the accel-
erator pedal fully.
80 – 100 %
Engine: After
warm-up idling
No load
8 – 18 %
warm-up, idling
A/C switch:
OFF
→
ON
Rises by 2 – 10 %
GDI –
Troubleshooting
13A-105
ACTUATOR TEST REFERENCE TABLE
Item
No.
Inspection
item
Drive contents
Inspection contents
Normal condition
Inspection
procedure
No.
Reference
page
01
Injectors
Cut fuel to No. 1
injector
Engine:
After having
warmed up/Engine
Idling condition
becomes different
(becomes unsta
Code No.
P0201
13A-35
02
Cut fuel to No. 2
injector
warmed up/Engine
is idling
(Cut the fuel supply
t
h i j
t
i
(becomes unsta-
ble).
Code No.
P0202
13A-37
03
Cut fuel to No. 3
injector
(
y
to each injector in
turn and check
cylinders which
d
’
ff
idli
)
Code No.
P0203
13A-38
04
Cut fuel to No. 4
injector
y
don’t affect idling.)
Code No.
P0204
13A-39
07
Fuel pump
(low pressure)
Fuel pump
operates and
fuel is recirculated.
Ignition switch: ON
Sound of opera-
tion is heard.
Procedure
No. 30
13A-95
08
Purge
control
solenoid valve
Solenoid valve
turns from OFF to
ON.
Ignition switch: ON
Sound of opera-
tion can be heard
when solenoid
valve is
driven.
Code No.
P0443
13A-55
17
Basic ignition
timing
Set the engine-
ECU <M/T> or
engine-A/T-ECU
<A/T> to ignition
timing adjustment
mode
Idling after engine
warm up
5
BTDC
–
–
21
Fan controller
Drive the fan motor
Ignition switch: ON
The fan motor
operates
Procedure
No. 21
13A-87
34
Electronic-
controlled
throttle valve
system
Stop the throttle
control servo.
Ignition switch: ON
Throttle valve is
opened slightly.
Code No.
P1220
13A-57
GDI –
Troubleshooting
13A-106
CHECK AT THE ENGINE-ECU TERMINALS <M/T>
TERMINAL VOLTAGE CHECK CHART
Engine-ECU Connector Terminal Arrangement
Terminal No.
Check item
Check requirements (engine condition)
Normal condition
1
No. 1 injector
Engine: Warm up, and then depress
the accelerator pedal suddenly from
Decreases slightly for short
time from 9 – 13 V
9
No. 2 injector
the accelerator pedal suddenly from
the idle speed.
time from 9 – 13 V
24
No. 3 injector
2
No. 4 injector
3
No. 1 ignition coil
Engine: 3,000 r/min
0.3 – 3.0 V
13
No. 2 ignition coil
12
No. 3 ignition coil
4
No. 4 ignition coil
5
EGR valve (D)
Ignition switch: Immediately after
turning ON
5 – 8 V (fluctuates for
approx three seconds)
6
EGR valve (C)
turning ON
approx. three seconds)
32
EGR valve (B)
34
EGR valve (A)
34
EGR valve (A)
8
Alternator G terminal
Engine: Warm up, and then idling
Radiator fan: Not operating
Headlamp: OFF
→
ON
Stop lamp: OFF
→
ON
Rear defogger switch: OFF
→
ON
Voltage increases by
0.2 – 3.5 V
14
GDI ECO indication lamp
Ignition switch: OFF
→
ON
0 – 3 V (System voltage
after five seconds)
Engine: When the accelerator pedal is
suddenly depressed while the engine
is idling
System voltage
16
Purge control solenoid
valve
Engine cool-
ant tempera-
Engine: Stopped
System voltage
valve
ant tempera-
ture:
80 – 95
C
Ignition
switch: ON
Engine: Start the
engine, and then
increase engine
speed up to 3,500
r/min.
Voltage decreases
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